L मीटर लंबाई वाले एक कैंटीलीवर बीम पर मुक्त सिरे पर 'w' N का एक बिंदु भार लगता है। स्थिर सिरे पर प्रतिरोधी बंकन आघूर्ण का मान क्या होगा?

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  1. शून्य
  2. 2wL
  3. wL

Answer (Detailed Solution Below)

Option 4 : wL
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व्याख्या:

l लंबाई के एक कैंटीलीवर पर विचार करें जिस पर इसके मुक्त सिरे पर एक केंद्रित भार 'w' लगता है:

∵ स्थिर सिरे पर अभिक्रिया बीम पर कुल भार के बराबर होगी, अर्थात् W।

इसलिए, स्थिर सिरे पर अपरूपण बल W (ऊपर की ओर) है और मुक्त सिरे पर, यह W (नीचे की ओर) है।

धारा के बारे में आघूर्ण लेने पर:

M =

अधिकतम बंकन आघूर्ण स्थिर सिरे पर होता है अर्थात M =

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